横向
1
Large slow-moving mass of ice
5
Region surrounding the North Pole
6
Land surrounded by water
8
Deep narrow valley with steep sides
10
Where river meets the sea
纵向
2
Vast body of salt water
3
City that is seat of government
4
Dry land with little rainfall
5
Height above sea level
7
Largest river in South America
9
Line dividing two countries